#coding=utf-8

'''
a = 10

if a>=10 :
    print("a>=10")
else:
    print("a<10")

'''

# a =1
# while a<7:
#     if (a%2)==0:
#         print("偶数")
#     else:
#         print("奇数")
#     a=a+1
#     #a +=1

# a = input("input num:")
# if (int(a)%2) == 0:
#     print("偶数")   #条件为True 时执行
# else:
#     print("奇数")   #条件为False 时执行
#


# flag = False
# name = input("请输入name: ")
# if name == 'python':         # 判断变量是否为 python
#     flag = True              # 条件成立时设置标志为真
#     print('welcome boss')     # 并输出欢迎信息
#     print(flag)
# else:
#     print(name)

fenshu = int(input("请输入分数:"))
if 0<=fenshu<60:
    print("成绩不及格")
elif 80>fenshu >=60:
    print("成绩及格")
elif 100>=fenshu>=80:
    print("成绩优秀")
else:
    print("其它情况")

